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A new CDC study found 5% of infants or fetuses born to women in the U.S. with laboratory-confirmed Zika infections had microcephaly or another Zika-linked birth defect.

"The bottom line is that Zika infection, identified during any trimester of pregnancy, can lead to serious brain and other birth defects," said Peggy Honein, an author on the study.

What they found: Infants developed microcephaly and other birth defects regardless of whether or not the mother displayed symptoms. The data also showed that babies infected in all trimesters exhibited birth defects, but the earlier the infection occurred, the more likely they were. Rates ranged from 8% for infants infected in the first trimester to 4% in the third.

Unanswered questions: There are reported cases of Zika-infected mothers having babies that appear normal at birth, but develop microcephaly and neurological difficulties as they age. Because this study looked at newborns, these cases are not included.

Go deeper: Much of the research linking Zika to microcephaly has been done in South America. This study confirms that those cases were due to the Zika virus, and not due to an interaction of the virus with something genetic or environmental in the area. The size (2549 people) and rigor of the study was also important, as past research on Zika-related birth defects has ranged in quality and given prevalence rates ranging from 1-13%. This was one of the first studies to break down infections by trimester and whether or not the mother was asymptomatic.

Go deeper

Trump set to appear at Pennsylvania GOP hearing on voter fraud claims

President Trumpat the White House on Tuesday. Photo: Chip Somodevilla/Getty Images

President Trump is due to join his personal lawyer Rudy Giuliani in Gettysburg, Pennsylvania, Wednesday at a Republican-led state Senate Majority Policy Committee hearing to discuss alleged election irregularities.

Why it matters: This would be his first trip outside of the DMV since Election Day and comes shortly after GSA ascertained the results, formally signing off on a transition to President-elect Biden.

Scoop: Trump tells confidants he plans to pardon Michael Flynn

Photo: Alex Wroblewski/Getty Images

President Trump has told confidants he plans to pardon his former national security adviser Michael Flynn, who pleaded guilty in December 2017 to lying to the FBI about his Russian contacts, two sources with direct knowledge of the discussions tell Axios.

Behind the scenes: Sources with direct knowledge of the discussions said Flynn will be part of a series of pardons that Trump issues between now and when he leaves office.

Erica Pandey, author of @Work
10 hours ago - World

Remote work shakes up geopolitics

Illustration: Eniola Odetunde/Axios

The global adoption of remote work may leave the rising powers in the East behind.

The big picture: Despite India's and China's economic might, these countries have far fewer remote jobs than the U.S. or Europe. That's affecting the emerging economies' resilience amid the pandemic.